"""
This module contains the main group for the ria toolkit oss CLI.
"""

import subprocess
import sys

import click

from ria_toolkit_oss_cli.ria_toolkit_oss import commands


def _git_lfs_installed() -> bool:
    """Return True if git-lfs is available on PATH."""
    try:
        return subprocess.run(
            ["git", "lfs", "version"],
            capture_output=True,
        ).returncode == 0
    except FileNotFoundError:
        return False


@click.group(invoke_without_command=True)
@click.option("-v", "--verbose", is_flag=True, type=bool, help="Increase verbosity, especially useful for debugging.")
@click.pass_context
def cli(ctx, verbose):
    if not _git_lfs_installed():
        click.echo(
            "Warning: git-lfs is not installed. RIA Hub projects require git-lfs to\n"
            "track large binary files (models, recordings, datasets).\n"
            "\n"
            "  Linux:           sudo apt-get install git-lfs\n"
            "  macOS:           brew install git-lfs\n"
            "  Other platforms: https://git-lfs.com\n"
            "\n"
            "After installing, run: git lfs install",
            err=True,
        )
    if ctx.invoked_subcommand is None:
        click.echo(ctx.get_help())


# Loop through project commands, binding them all to the CLI.
for command_name in dir(commands):
    command = getattr(commands, command_name)
    if isinstance(command, click.Command):
        cli.add_command(command, name=command_name)